Genuine & Direct from the MOD / British Army
Listing is for the 2x Antenna pieces shown in the photos
Previously used and removed from the Military Gazelle helicopter
Info taken from the manufacturers:
The N4-4 is an airborne, true center-fed loop, navigation antenna.
The N4-4 Antenna System has been designed to minimize bearing errors in the reception of VOR and ILS signals.
It provides considerably more gain at the horizon (particularly during banks) than do fuselage mounted “deerhorn” or “vee” antennas.
We have not tested this ourselves due to lack of knowledge / equipment – Sold as untested